2 * Copyright (c) 2010, Google, Inc.
4 * This file is part of FFmpeg.
6 * FFmpeg is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
11 * FFmpeg is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with FFmpeg; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
23 * VP8 encoder support via libvpx
26 #define VPX_DISABLE_CTRL_TYPECHECKS 1
27 #define VPX_CODEC_DISABLE_COMPAT 1
28 #include <vpx/vpx_encoder.h>
29 #include <vpx/vp8cx.h>
33 #include "libavutil/avassert.h"
36 #include "libavutil/base64.h"
37 #include "libavutil/common.h"
38 #include "libavutil/internal.h"
39 #include "libavutil/intreadwrite.h"
40 #include "libavutil/mathematics.h"
41 #include "libavutil/opt.h"
44 * Portion of struct vpx_codec_cx_pkt from vpx_encoder.h.
45 * One encoded frame returned from the library.
47 struct FrameListData {
48 void *buf; /**< compressed data buffer */
49 size_t sz; /**< length of compressed data */
52 int64_t pts; /**< time stamp to show frame
53 (in timebase units) */
54 unsigned long duration; /**< duration to show frame
55 (in timebase units) */
56 uint32_t flags; /**< flags for this frame */
58 int have_sse; /**< true if we have pending sse[] */
59 uint64_t frame_number;
60 struct FrameListData *next;
63 typedef struct VP8EncoderContext {
65 struct vpx_codec_ctx encoder;
66 struct vpx_image rawimg;
67 struct vpx_codec_ctx encoder_alpha;
68 struct vpx_image rawimg_alpha;
70 struct vpx_fixed_buf twopass_stats;
71 int deadline; //i.e., RT/GOOD/BEST
73 int have_sse; /**< true if we have pending sse[] */
74 uint64_t frame_number;
75 struct FrameListData *coded_frame_list;
79 * VP8 specific flags, see VP8F_* below.
82 #define VP8F_ERROR_RESILIENT 0x00000001 ///< Enable measures appropriate for streaming over lossy links
83 #define VP8F_AUTO_ALT_REF 0x00000002 ///< Enable automatic alternate reference frame generation
98 int rc_undershoot_pct;
108 int noise_sensitivity;
111 /** String mappings for enum vp8e_enc_control_id */
112 static const char *const ctlidstr[] = {
113 [VP8E_SET_CPUUSED] = "VP8E_SET_CPUUSED",
114 [VP8E_SET_ENABLEAUTOALTREF] = "VP8E_SET_ENABLEAUTOALTREF",
115 [VP8E_SET_NOISE_SENSITIVITY] = "VP8E_SET_NOISE_SENSITIVITY",
116 [VP8E_SET_STATIC_THRESHOLD] = "VP8E_SET_STATIC_THRESHOLD",
117 [VP8E_SET_TOKEN_PARTITIONS] = "VP8E_SET_TOKEN_PARTITIONS",
118 [VP8E_SET_ARNR_MAXFRAMES] = "VP8E_SET_ARNR_MAXFRAMES",
119 [VP8E_SET_ARNR_STRENGTH] = "VP8E_SET_ARNR_STRENGTH",
120 [VP8E_SET_ARNR_TYPE] = "VP8E_SET_ARNR_TYPE",
121 [VP8E_SET_TUNING] = "VP8E_SET_TUNING",
122 [VP8E_SET_CQ_LEVEL] = "VP8E_SET_CQ_LEVEL",
123 [VP8E_SET_MAX_INTRA_BITRATE_PCT] = "VP8E_SET_MAX_INTRA_BITRATE_PCT",
124 #if CONFIG_LIBVPX_VP9_ENCODER
125 [VP9E_SET_LOSSLESS] = "VP9E_SET_LOSSLESS",
126 [VP9E_SET_TILE_COLUMNS] = "VP9E_SET_TILE_COLUMNS",
127 [VP9E_SET_TILE_ROWS] = "VP9E_SET_TILE_ROWS",
128 [VP9E_SET_FRAME_PARALLEL_DECODING] = "VP9E_SET_FRAME_PARALLEL_DECODING",
129 [VP9E_SET_AQ_MODE] = "VP9E_SET_AQ_MODE",
130 #if VPX_ENCODER_ABI_VERSION > 8
131 [VP9E_SET_COLOR_SPACE] = "VP9E_SET_COLOR_SPACE",
133 #if VPX_ENCODER_ABI_VERSION >= 11
134 [VP9E_SET_COLOR_RANGE] = "VP9E_SET_COLOR_RANGE",
139 static av_cold void log_encoder_error(AVCodecContext *avctx, const char *desc)
141 VP8Context *ctx = avctx->priv_data;
142 const char *error = vpx_codec_error(&ctx->encoder);
143 const char *detail = vpx_codec_error_detail(&ctx->encoder);
145 av_log(avctx, AV_LOG_ERROR, "%s: %s\n", desc, error);
147 av_log(avctx, AV_LOG_ERROR, " Additional information: %s\n", detail);
150 static av_cold void dump_enc_cfg(AVCodecContext *avctx,
151 const struct vpx_codec_enc_cfg *cfg)
154 int level = AV_LOG_DEBUG;
156 av_log(avctx, level, "vpx_codec_enc_cfg\n");
157 av_log(avctx, level, "generic settings\n"
158 " %*s%u\n %*s%u\n %*s%u\n %*s%u\n %*s%u\n"
159 #if CONFIG_LIBVPX_VP9_ENCODER && defined(VPX_IMG_FMT_HIGHBITDEPTH)
162 " %*s{%u/%u}\n %*s%u\n %*s%d\n %*s%u\n",
163 width, "g_usage:", cfg->g_usage,
164 width, "g_threads:", cfg->g_threads,
165 width, "g_profile:", cfg->g_profile,
166 width, "g_w:", cfg->g_w,
167 width, "g_h:", cfg->g_h,
168 #if CONFIG_LIBVPX_VP9_ENCODER && defined(VPX_IMG_FMT_HIGHBITDEPTH)
169 width, "g_bit_depth:", cfg->g_bit_depth,
170 width, "g_input_bit_depth:", cfg->g_input_bit_depth,
172 width, "g_timebase:", cfg->g_timebase.num, cfg->g_timebase.den,
173 width, "g_error_resilient:", cfg->g_error_resilient,
174 width, "g_pass:", cfg->g_pass,
175 width, "g_lag_in_frames:", cfg->g_lag_in_frames);
176 av_log(avctx, level, "rate control settings\n"
177 " %*s%u\n %*s%u\n %*s%u\n %*s%u\n"
178 " %*s%d\n %*s%p(%"SIZE_SPECIFIER")\n %*s%u\n",
179 width, "rc_dropframe_thresh:", cfg->rc_dropframe_thresh,
180 width, "rc_resize_allowed:", cfg->rc_resize_allowed,
181 width, "rc_resize_up_thresh:", cfg->rc_resize_up_thresh,
182 width, "rc_resize_down_thresh:", cfg->rc_resize_down_thresh,
183 width, "rc_end_usage:", cfg->rc_end_usage,
184 width, "rc_twopass_stats_in:", cfg->rc_twopass_stats_in.buf, cfg->rc_twopass_stats_in.sz,
185 width, "rc_target_bitrate:", cfg->rc_target_bitrate);
186 av_log(avctx, level, "quantizer settings\n"
188 width, "rc_min_quantizer:", cfg->rc_min_quantizer,
189 width, "rc_max_quantizer:", cfg->rc_max_quantizer);
190 av_log(avctx, level, "bitrate tolerance\n"
192 width, "rc_undershoot_pct:", cfg->rc_undershoot_pct,
193 width, "rc_overshoot_pct:", cfg->rc_overshoot_pct);
194 av_log(avctx, level, "decoder buffer model\n"
195 " %*s%u\n %*s%u\n %*s%u\n",
196 width, "rc_buf_sz:", cfg->rc_buf_sz,
197 width, "rc_buf_initial_sz:", cfg->rc_buf_initial_sz,
198 width, "rc_buf_optimal_sz:", cfg->rc_buf_optimal_sz);
199 av_log(avctx, level, "2 pass rate control settings\n"
200 " %*s%u\n %*s%u\n %*s%u\n",
201 width, "rc_2pass_vbr_bias_pct:", cfg->rc_2pass_vbr_bias_pct,
202 width, "rc_2pass_vbr_minsection_pct:", cfg->rc_2pass_vbr_minsection_pct,
203 width, "rc_2pass_vbr_maxsection_pct:", cfg->rc_2pass_vbr_maxsection_pct);
204 av_log(avctx, level, "keyframing settings\n"
205 " %*s%d\n %*s%u\n %*s%u\n",
206 width, "kf_mode:", cfg->kf_mode,
207 width, "kf_min_dist:", cfg->kf_min_dist,
208 width, "kf_max_dist:", cfg->kf_max_dist);
209 av_log(avctx, level, "\n");
212 static void coded_frame_add(void *list, struct FrameListData *cx_frame)
214 struct FrameListData **p = list;
219 cx_frame->next = NULL;
222 static av_cold void free_coded_frame(struct FrameListData *cx_frame)
224 av_freep(&cx_frame->buf);
225 if (cx_frame->buf_alpha)
226 av_freep(&cx_frame->buf_alpha);
230 static av_cold void free_frame_list(struct FrameListData *list)
232 struct FrameListData *p = list;
241 static av_cold int codecctl_int(AVCodecContext *avctx,
242 enum vp8e_enc_control_id id, int val)
244 VP8Context *ctx = avctx->priv_data;
249 snprintf(buf, sizeof(buf), "%s:", ctlidstr[id]);
250 av_log(avctx, AV_LOG_DEBUG, " %*s%d\n", width, buf, val);
252 res = vpx_codec_control(&ctx->encoder, id, val);
253 if (res != VPX_CODEC_OK) {
254 snprintf(buf, sizeof(buf), "Failed to set %s codec control",
256 log_encoder_error(avctx, buf);
259 return res == VPX_CODEC_OK ? 0 : AVERROR(EINVAL);
262 static av_cold int vp8_free(AVCodecContext *avctx)
264 VP8Context *ctx = avctx->priv_data;
266 vpx_codec_destroy(&ctx->encoder);
268 vpx_codec_destroy(&ctx->encoder_alpha);
269 av_freep(&ctx->twopass_stats.buf);
270 av_freep(&avctx->stats_out);
271 free_frame_list(ctx->coded_frame_list);
275 #if CONFIG_LIBVPX_VP9_ENCODER
276 static int set_pix_fmt(AVCodecContext *avctx, vpx_codec_caps_t codec_caps,
277 struct vpx_codec_enc_cfg *enccfg, vpx_codec_flags_t *flags,
278 vpx_img_fmt_t *img_fmt)
280 #ifdef VPX_IMG_FMT_HIGHBITDEPTH
281 enccfg->g_bit_depth = enccfg->g_input_bit_depth = 8;
283 switch (avctx->pix_fmt) {
284 case AV_PIX_FMT_YUV420P:
285 enccfg->g_profile = 0;
286 *img_fmt = VPX_IMG_FMT_I420;
288 case AV_PIX_FMT_YUV422P:
289 enccfg->g_profile = 1;
290 *img_fmt = VPX_IMG_FMT_I422;
292 #if VPX_IMAGE_ABI_VERSION >= 3
293 case AV_PIX_FMT_YUV440P:
294 enccfg->g_profile = 1;
295 *img_fmt = VPX_IMG_FMT_I440;
298 case AV_PIX_FMT_YUV444P:
299 enccfg->g_profile = 1;
300 *img_fmt = VPX_IMG_FMT_I444;
302 #ifdef VPX_IMG_FMT_HIGHBITDEPTH
303 case AV_PIX_FMT_YUV420P10LE:
304 case AV_PIX_FMT_YUV420P12LE:
305 if (codec_caps & VPX_CODEC_CAP_HIGHBITDEPTH) {
306 enccfg->g_bit_depth = enccfg->g_input_bit_depth =
307 avctx->pix_fmt == AV_PIX_FMT_YUV420P10LE ? 10 : 12;
308 enccfg->g_profile = 2;
309 *img_fmt = VPX_IMG_FMT_I42016;
310 *flags |= VPX_CODEC_USE_HIGHBITDEPTH;
314 case AV_PIX_FMT_YUV422P10LE:
315 case AV_PIX_FMT_YUV422P12LE:
316 if (codec_caps & VPX_CODEC_CAP_HIGHBITDEPTH) {
317 enccfg->g_bit_depth = enccfg->g_input_bit_depth =
318 avctx->pix_fmt == AV_PIX_FMT_YUV422P10LE ? 10 : 12;
319 enccfg->g_profile = 3;
320 *img_fmt = VPX_IMG_FMT_I42216;
321 *flags |= VPX_CODEC_USE_HIGHBITDEPTH;
325 #if VPX_IMAGE_ABI_VERSION >= 3
326 case AV_PIX_FMT_YUV440P10LE:
327 case AV_PIX_FMT_YUV440P12LE:
328 if (codec_caps & VPX_CODEC_CAP_HIGHBITDEPTH) {
329 enccfg->g_bit_depth = enccfg->g_input_bit_depth =
330 avctx->pix_fmt == AV_PIX_FMT_YUV440P10LE ? 10 : 12;
331 enccfg->g_profile = 3;
332 *img_fmt = VPX_IMG_FMT_I44016;
333 *flags |= VPX_CODEC_USE_HIGHBITDEPTH;
338 case AV_PIX_FMT_YUV444P10LE:
339 case AV_PIX_FMT_YUV444P12LE:
340 if (codec_caps & VPX_CODEC_CAP_HIGHBITDEPTH) {
341 enccfg->g_bit_depth = enccfg->g_input_bit_depth =
342 avctx->pix_fmt == AV_PIX_FMT_YUV444P10LE ? 10 : 12;
343 enccfg->g_profile = 3;
344 *img_fmt = VPX_IMG_FMT_I44416;
345 *flags |= VPX_CODEC_USE_HIGHBITDEPTH;
353 av_log(avctx, AV_LOG_ERROR, "Unsupported pixel format.\n");
354 return AVERROR_INVALIDDATA;
357 #if VPX_ENCODER_ABI_VERSION > 8
358 static void set_colorspace(AVCodecContext *avctx)
360 enum vpx_color_space vpx_cs;
362 switch (avctx->colorspace) {
363 case AVCOL_SPC_RGB: vpx_cs = VPX_CS_SRGB; break;
364 case AVCOL_SPC_BT709: vpx_cs = VPX_CS_BT_709; break;
365 case AVCOL_SPC_UNSPECIFIED: vpx_cs = VPX_CS_UNKNOWN; break;
366 case AVCOL_SPC_RESERVED: vpx_cs = VPX_CS_RESERVED; break;
367 case AVCOL_SPC_BT470BG: vpx_cs = VPX_CS_BT_601; break;
368 case AVCOL_SPC_SMPTE170M: vpx_cs = VPX_CS_SMPTE_170; break;
369 case AVCOL_SPC_SMPTE240M: vpx_cs = VPX_CS_SMPTE_240; break;
370 case AVCOL_SPC_BT2020_NCL: vpx_cs = VPX_CS_BT_2020; break;
372 av_log(avctx, AV_LOG_WARNING, "Unsupported colorspace (%d)\n",
376 codecctl_int(avctx, VP9E_SET_COLOR_SPACE, vpx_cs);
380 #if VPX_ENCODER_ABI_VERSION >= 11
381 static void set_color_range(AVCodecContext *avctx)
383 enum vpx_color_range vpx_cr;
384 switch (avctx->color_range) {
385 case AVCOL_RANGE_UNSPECIFIED:
386 case AVCOL_RANGE_MPEG: vpx_cr = VPX_CR_STUDIO_RANGE; break;
387 case AVCOL_RANGE_JPEG: vpx_cr = VPX_CR_FULL_RANGE; break;
389 av_log(avctx, AV_LOG_WARNING, "Unsupported color range (%d)\n",
394 codecctl_int(avctx, VP9E_SET_COLOR_RANGE, vpx_cr);
399 static av_cold int vpx_init(AVCodecContext *avctx,
400 const struct vpx_codec_iface *iface)
402 VP8Context *ctx = avctx->priv_data;
403 struct vpx_codec_enc_cfg enccfg = { 0 };
404 struct vpx_codec_enc_cfg enccfg_alpha;
405 vpx_codec_flags_t flags = (avctx->flags & AV_CODEC_FLAG_PSNR) ? VPX_CODEC_USE_PSNR : 0;
406 AVCPBProperties *cpb_props;
408 vpx_img_fmt_t img_fmt = VPX_IMG_FMT_I420;
409 #if CONFIG_LIBVPX_VP9_ENCODER
410 vpx_codec_caps_t codec_caps = vpx_codec_get_caps(iface);
413 av_log(avctx, AV_LOG_INFO, "%s\n", vpx_codec_version_str());
414 av_log(avctx, AV_LOG_VERBOSE, "%s\n", vpx_codec_build_config());
416 if (avctx->pix_fmt == AV_PIX_FMT_YUVA420P)
419 if ((res = vpx_codec_enc_config_default(iface, &enccfg, 0)) != VPX_CODEC_OK) {
420 av_log(avctx, AV_LOG_ERROR, "Failed to get config: %s\n",
421 vpx_codec_err_to_string(res));
422 return AVERROR(EINVAL);
425 #if CONFIG_LIBVPX_VP9_ENCODER
426 if (avctx->codec_id == AV_CODEC_ID_VP9) {
427 if (set_pix_fmt(avctx, codec_caps, &enccfg, &flags, &img_fmt))
428 return AVERROR(EINVAL);
433 if(avctx->rc_max_rate || avctx->rc_buffer_size || avctx->rc_initial_buffer_occupancy) {
434 av_log( avctx, AV_LOG_ERROR, "Rate control parameters set without a bitrate\n");
435 return AVERROR(EINVAL);
438 dump_enc_cfg(avctx, &enccfg);
440 enccfg.g_w = avctx->width;
441 enccfg.g_h = avctx->height;
442 enccfg.g_timebase.num = avctx->time_base.num;
443 enccfg.g_timebase.den = avctx->time_base.den;
444 enccfg.g_threads = avctx->thread_count;
445 enccfg.g_lag_in_frames= ctx->lag_in_frames;
447 if (avctx->flags & AV_CODEC_FLAG_PASS1)
448 enccfg.g_pass = VPX_RC_FIRST_PASS;
449 else if (avctx->flags & AV_CODEC_FLAG_PASS2)
450 enccfg.g_pass = VPX_RC_LAST_PASS;
452 enccfg.g_pass = VPX_RC_ONE_PASS;
454 if (avctx->rc_min_rate == avctx->rc_max_rate &&
455 avctx->rc_min_rate == avctx->bit_rate && avctx->bit_rate) {
456 enccfg.rc_end_usage = VPX_CBR;
457 } else if (ctx->crf >= 0) {
458 enccfg.rc_end_usage = VPX_CQ;
459 #if CONFIG_LIBVPX_VP9_ENCODER
460 if (!avctx->bit_rate && avctx->codec_id == AV_CODEC_ID_VP9)
461 enccfg.rc_end_usage = VPX_Q;
465 if (avctx->bit_rate) {
466 enccfg.rc_target_bitrate = av_rescale_rnd(avctx->bit_rate, 1, 1000,
468 #if CONFIG_LIBVPX_VP9_ENCODER
469 } else if (enccfg.rc_end_usage == VPX_Q) {
472 if (enccfg.rc_end_usage == VPX_CQ) {
473 enccfg.rc_target_bitrate = 1000000;
475 avctx->bit_rate = enccfg.rc_target_bitrate * 1000;
476 av_log(avctx, AV_LOG_WARNING,
477 "Neither bitrate nor constrained quality specified, using default bitrate of %dkbit/sec\n",
478 enccfg.rc_target_bitrate);
482 if (avctx->codec_id == AV_CODEC_ID_VP9 && ctx->lossless == 1) {
483 enccfg.rc_min_quantizer =
484 enccfg.rc_max_quantizer = 0;
486 if (avctx->qmin >= 0)
487 enccfg.rc_min_quantizer = avctx->qmin;
488 if (avctx->qmax >= 0)
489 enccfg.rc_max_quantizer = avctx->qmax;
492 if (enccfg.rc_end_usage == VPX_CQ
493 #if CONFIG_LIBVPX_VP9_ENCODER
494 || enccfg.rc_end_usage == VPX_Q
497 if (ctx->crf < enccfg.rc_min_quantizer || ctx->crf > enccfg.rc_max_quantizer) {
498 av_log(avctx, AV_LOG_ERROR,
499 "CQ level %d must be between minimum and maximum quantizer value (%d-%d)\n",
500 ctx->crf, enccfg.rc_min_quantizer, enccfg.rc_max_quantizer);
501 return AVERROR(EINVAL);
505 #if FF_API_PRIVATE_OPT
506 FF_DISABLE_DEPRECATION_WARNINGS
507 if (avctx->frame_skip_threshold)
508 ctx->drop_threshold = avctx->frame_skip_threshold;
509 FF_ENABLE_DEPRECATION_WARNINGS
511 enccfg.rc_dropframe_thresh = ctx->drop_threshold;
513 //0-100 (0 => CBR, 100 => VBR)
514 enccfg.rc_2pass_vbr_bias_pct = lrint(avctx->qcompress * 100);
516 enccfg.rc_2pass_vbr_minsection_pct =
517 avctx->rc_min_rate * 100LL / avctx->bit_rate;
518 if (avctx->rc_max_rate)
519 enccfg.rc_2pass_vbr_maxsection_pct =
520 avctx->rc_max_rate * 100LL / avctx->bit_rate;
522 if (avctx->rc_buffer_size)
524 avctx->rc_buffer_size * 1000LL / avctx->bit_rate;
525 if (avctx->rc_initial_buffer_occupancy)
526 enccfg.rc_buf_initial_sz =
527 avctx->rc_initial_buffer_occupancy * 1000LL / avctx->bit_rate;
528 enccfg.rc_buf_optimal_sz = enccfg.rc_buf_sz * 5 / 6;
530 FF_DISABLE_DEPRECATION_WARNINGS
531 if (avctx->rc_buffer_aggressivity != 1.0) {
532 av_log(avctx, AV_LOG_WARNING, "The rc_buffer_aggressivity option is "
533 "deprecated, use the undershoot-pct private option instead.\n");
534 enccfg.rc_undershoot_pct = lrint(avctx->rc_buffer_aggressivity * 100);
536 FF_ENABLE_DEPRECATION_WARNINGS
538 if (ctx->rc_undershoot_pct >= 0)
539 enccfg.rc_undershoot_pct = ctx->rc_undershoot_pct;
540 if (ctx->rc_overshoot_pct >= 0)
541 enccfg.rc_overshoot_pct = ctx->rc_overshoot_pct;
543 //_enc_init() will balk if kf_min_dist differs from max w/VPX_KF_AUTO
544 if (avctx->keyint_min >= 0 && avctx->keyint_min == avctx->gop_size)
545 enccfg.kf_min_dist = avctx->keyint_min;
546 if (avctx->gop_size >= 0)
547 enccfg.kf_max_dist = avctx->gop_size;
549 if (enccfg.g_pass == VPX_RC_FIRST_PASS)
550 enccfg.g_lag_in_frames = 0;
551 else if (enccfg.g_pass == VPX_RC_LAST_PASS) {
552 int decode_size, ret;
554 if (!avctx->stats_in) {
555 av_log(avctx, AV_LOG_ERROR, "No stats file for second pass\n");
556 return AVERROR_INVALIDDATA;
559 ctx->twopass_stats.sz = strlen(avctx->stats_in) * 3 / 4;
560 ret = av_reallocp(&ctx->twopass_stats.buf, ctx->twopass_stats.sz);
562 av_log(avctx, AV_LOG_ERROR,
563 "Stat buffer alloc (%"SIZE_SPECIFIER" bytes) failed\n",
564 ctx->twopass_stats.sz);
565 ctx->twopass_stats.sz = 0;
568 decode_size = av_base64_decode(ctx->twopass_stats.buf, avctx->stats_in,
569 ctx->twopass_stats.sz);
570 if (decode_size < 0) {
571 av_log(avctx, AV_LOG_ERROR, "Stat buffer decode failed\n");
572 return AVERROR_INVALIDDATA;
575 ctx->twopass_stats.sz = decode_size;
576 enccfg.rc_twopass_stats_in = ctx->twopass_stats;
579 /* 0-3: For non-zero values the encoder increasingly optimizes for reduced
580 complexity playback on low powered devices at the expense of encode
582 if (avctx->profile != FF_PROFILE_UNKNOWN)
583 enccfg.g_profile = avctx->profile;
585 enccfg.g_error_resilient = ctx->error_resilient || ctx->flags & VP8F_ERROR_RESILIENT;
587 dump_enc_cfg(avctx, &enccfg);
588 /* Construct Encoder Context */
589 res = vpx_codec_enc_init(&ctx->encoder, iface, &enccfg, flags);
590 if (res != VPX_CODEC_OK) {
591 log_encoder_error(avctx, "Failed to initialize encoder");
592 return AVERROR(EINVAL);
596 enccfg_alpha = enccfg;
597 res = vpx_codec_enc_init(&ctx->encoder_alpha, iface, &enccfg_alpha, flags);
598 if (res != VPX_CODEC_OK) {
599 log_encoder_error(avctx, "Failed to initialize alpha encoder");
600 return AVERROR(EINVAL);
604 //codec control failures are currently treated only as warnings
605 av_log(avctx, AV_LOG_DEBUG, "vpx_codec_control\n");
606 codecctl_int(avctx, VP8E_SET_CPUUSED, ctx->cpu_used);
607 if (ctx->flags & VP8F_AUTO_ALT_REF)
608 ctx->auto_alt_ref = 1;
609 if (ctx->auto_alt_ref >= 0)
610 codecctl_int(avctx, VP8E_SET_ENABLEAUTOALTREF, ctx->auto_alt_ref);
611 if (ctx->arnr_max_frames >= 0)
612 codecctl_int(avctx, VP8E_SET_ARNR_MAXFRAMES, ctx->arnr_max_frames);
613 if (ctx->arnr_strength >= 0)
614 codecctl_int(avctx, VP8E_SET_ARNR_STRENGTH, ctx->arnr_strength);
615 if (ctx->arnr_type >= 0)
616 codecctl_int(avctx, VP8E_SET_ARNR_TYPE, ctx->arnr_type);
618 codecctl_int(avctx, VP8E_SET_TUNING, ctx->tune);
620 if (CONFIG_LIBVPX_VP8_ENCODER && avctx->codec_id == AV_CODEC_ID_VP8) {
621 #if FF_API_PRIVATE_OPT
622 FF_DISABLE_DEPRECATION_WARNINGS
623 if (avctx->noise_reduction)
624 ctx->noise_sensitivity = avctx->noise_reduction;
625 FF_ENABLE_DEPRECATION_WARNINGS
627 codecctl_int(avctx, VP8E_SET_NOISE_SENSITIVITY, ctx->noise_sensitivity);
628 codecctl_int(avctx, VP8E_SET_TOKEN_PARTITIONS, av_log2(avctx->slices));
631 FF_DISABLE_DEPRECATION_WARNINGS
632 if (avctx->mb_threshold) {
633 av_log(avctx, AV_LOG_WARNING, "The mb_threshold option is deprecated, "
634 "use the static-thresh private option instead.\n");
635 ctx->static_thresh = avctx->mb_threshold;
637 FF_ENABLE_DEPRECATION_WARNINGS
639 codecctl_int(avctx, VP8E_SET_STATIC_THRESHOLD, ctx->static_thresh);
641 codecctl_int(avctx, VP8E_SET_CQ_LEVEL, ctx->crf);
642 if (ctx->max_intra_rate >= 0)
643 codecctl_int(avctx, VP8E_SET_MAX_INTRA_BITRATE_PCT, ctx->max_intra_rate);
645 #if CONFIG_LIBVPX_VP9_ENCODER
646 if (avctx->codec_id == AV_CODEC_ID_VP9) {
647 if (ctx->lossless >= 0)
648 codecctl_int(avctx, VP9E_SET_LOSSLESS, ctx->lossless);
649 if (ctx->tile_columns >= 0)
650 codecctl_int(avctx, VP9E_SET_TILE_COLUMNS, ctx->tile_columns);
651 if (ctx->tile_rows >= 0)
652 codecctl_int(avctx, VP9E_SET_TILE_ROWS, ctx->tile_rows);
653 if (ctx->frame_parallel >= 0)
654 codecctl_int(avctx, VP9E_SET_FRAME_PARALLEL_DECODING, ctx->frame_parallel);
655 if (ctx->aq_mode >= 0)
656 codecctl_int(avctx, VP9E_SET_AQ_MODE, ctx->aq_mode);
657 #if VPX_ENCODER_ABI_VERSION > 8
658 set_colorspace(avctx);
660 #if VPX_ENCODER_ABI_VERSION >= 11
661 set_color_range(avctx);
666 av_log(avctx, AV_LOG_DEBUG, "Using deadline: %d\n", ctx->deadline);
668 //provide dummy value to initialize wrapper, values will be updated each _encode()
669 vpx_img_wrap(&ctx->rawimg, img_fmt, avctx->width, avctx->height, 1,
671 #if CONFIG_LIBVPX_VP9_ENCODER && defined(VPX_IMG_FMT_HIGHBITDEPTH)
672 if (avctx->codec_id == AV_CODEC_ID_VP9 && (codec_caps & VPX_CODEC_CAP_HIGHBITDEPTH))
673 ctx->rawimg.bit_depth = enccfg.g_bit_depth;
677 vpx_img_wrap(&ctx->rawimg_alpha, VPX_IMG_FMT_I420, avctx->width, avctx->height, 1,
680 cpb_props = ff_add_cpb_side_data(avctx);
682 return AVERROR(ENOMEM);
684 if (enccfg.rc_end_usage == VPX_CBR ||
685 enccfg.g_pass != VPX_RC_ONE_PASS) {
686 cpb_props->max_bitrate = avctx->rc_max_rate;
687 cpb_props->min_bitrate = avctx->rc_min_rate;
688 cpb_props->avg_bitrate = avctx->bit_rate;
690 cpb_props->buffer_size = avctx->rc_buffer_size;
695 static inline void cx_pktcpy(struct FrameListData *dst,
696 const struct vpx_codec_cx_pkt *src,
697 const struct vpx_codec_cx_pkt *src_alpha,
700 dst->pts = src->data.frame.pts;
701 dst->duration = src->data.frame.duration;
702 dst->flags = src->data.frame.flags;
703 dst->sz = src->data.frame.sz;
704 dst->buf = src->data.frame.buf;
706 /* For alt-ref frame, don't store PSNR or increment frame_number */
707 if (!(dst->flags & VPX_FRAME_IS_INVISIBLE)) {
708 dst->frame_number = ++ctx->frame_number;
709 dst->have_sse = ctx->have_sse;
711 /* associate last-seen SSE to the frame. */
712 /* Transfers ownership from ctx to dst. */
713 /* WARNING! This makes the assumption that PSNR_PKT comes
714 just before the frame it refers to! */
715 memcpy(dst->sse, ctx->sse, sizeof(dst->sse));
719 dst->frame_number = -1; /* sanity marker */
722 dst->buf_alpha = src_alpha->data.frame.buf;
723 dst->sz_alpha = src_alpha->data.frame.sz;
725 dst->buf_alpha = NULL;
731 * Store coded frame information in format suitable for return from encode2().
733 * Write information from @a cx_frame to @a pkt
734 * @return packet data size on success
735 * @return a negative AVERROR on error
737 static int storeframe(AVCodecContext *avctx, struct FrameListData *cx_frame,
740 int ret = ff_alloc_packet2(avctx, pkt, cx_frame->sz, 0);
744 memcpy(pkt->data, cx_frame->buf, pkt->size);
745 pkt->pts = pkt->dts = cx_frame->pts;
746 #if FF_API_CODED_FRAME
747 FF_DISABLE_DEPRECATION_WARNINGS
748 avctx->coded_frame->pts = cx_frame->pts;
749 avctx->coded_frame->key_frame = !!(cx_frame->flags & VPX_FRAME_IS_KEY);
750 FF_ENABLE_DEPRECATION_WARNINGS
753 if (!!(cx_frame->flags & VPX_FRAME_IS_KEY)) {
754 pict_type = AV_PICTURE_TYPE_I;
755 #if FF_API_CODED_FRAME
756 FF_DISABLE_DEPRECATION_WARNINGS
757 avctx->coded_frame->pict_type = pict_type;
758 FF_ENABLE_DEPRECATION_WARNINGS
760 pkt->flags |= AV_PKT_FLAG_KEY;
762 pict_type = AV_PICTURE_TYPE_P;
763 #if FF_API_CODED_FRAME
764 FF_DISABLE_DEPRECATION_WARNINGS
765 avctx->coded_frame->pict_type = pict_type;
766 FF_ENABLE_DEPRECATION_WARNINGS
770 ff_side_data_set_encoder_stats(pkt, 0, cx_frame->sse + 1,
771 cx_frame->have_sse ? 3 : 0, pict_type);
773 if (cx_frame->have_sse) {
775 /* Beware of the Y/U/V/all order! */
776 #if FF_API_CODED_FRAME
777 FF_DISABLE_DEPRECATION_WARNINGS
778 avctx->coded_frame->error[0] = cx_frame->sse[1];
779 avctx->coded_frame->error[1] = cx_frame->sse[2];
780 avctx->coded_frame->error[2] = cx_frame->sse[3];
781 avctx->coded_frame->error[3] = 0; // alpha
782 FF_ENABLE_DEPRECATION_WARNINGS
784 for (i = 0; i < 3; ++i) {
785 avctx->error[i] += cx_frame->sse[i + 1];
787 cx_frame->have_sse = 0;
789 if (cx_frame->sz_alpha > 0) {
790 side_data = av_packet_new_side_data(pkt,
791 AV_PKT_DATA_MATROSKA_BLOCKADDITIONAL,
792 cx_frame->sz_alpha + 8);
794 av_packet_unref(pkt);
796 return AVERROR(ENOMEM);
798 AV_WB64(side_data, 1);
799 memcpy(side_data + 8, cx_frame->buf_alpha, cx_frame->sz_alpha);
808 * Queue multiple output frames from the encoder, returning the front-most.
809 * In cases where vpx_codec_get_cx_data() returns more than 1 frame append
810 * the frame queue. Return the head frame if available.
811 * @return Stored frame size
812 * @return AVERROR(EINVAL) on output size error
813 * @return AVERROR(ENOMEM) on coded frame queue data allocation error
815 static int queue_frames(AVCodecContext *avctx, AVPacket *pkt_out)
817 VP8Context *ctx = avctx->priv_data;
818 const struct vpx_codec_cx_pkt *pkt;
819 const struct vpx_codec_cx_pkt *pkt_alpha = NULL;
820 const void *iter = NULL;
821 const void *iter_alpha = NULL;
824 if (ctx->coded_frame_list) {
825 struct FrameListData *cx_frame = ctx->coded_frame_list;
826 /* return the leading frame if we've already begun queueing */
827 size = storeframe(avctx, cx_frame, pkt_out);
830 ctx->coded_frame_list = cx_frame->next;
831 free_coded_frame(cx_frame);
834 /* consume all available output from the encoder before returning. buffers
835 are only good through the next vpx_codec call */
836 while ((pkt = vpx_codec_get_cx_data(&ctx->encoder, &iter)) &&
838 (ctx->is_alpha && (pkt_alpha = vpx_codec_get_cx_data(&ctx->encoder_alpha, &iter_alpha))))) {
840 case VPX_CODEC_CX_FRAME_PKT:
842 struct FrameListData cx_frame;
844 /* avoid storing the frame when the list is empty and we haven't yet
845 provided a frame for output */
846 av_assert0(!ctx->coded_frame_list);
847 cx_pktcpy(&cx_frame, pkt, pkt_alpha, ctx);
848 size = storeframe(avctx, &cx_frame, pkt_out);
852 struct FrameListData *cx_frame =
853 av_malloc(sizeof(struct FrameListData));
856 av_log(avctx, AV_LOG_ERROR,
857 "Frame queue element alloc failed\n");
858 return AVERROR(ENOMEM);
860 cx_pktcpy(cx_frame, pkt, pkt_alpha, ctx);
861 cx_frame->buf = av_malloc(cx_frame->sz);
863 if (!cx_frame->buf) {
864 av_log(avctx, AV_LOG_ERROR,
865 "Data buffer alloc (%"SIZE_SPECIFIER" bytes) failed\n",
868 return AVERROR(ENOMEM);
870 memcpy(cx_frame->buf, pkt->data.frame.buf, pkt->data.frame.sz);
872 cx_frame->buf_alpha = av_malloc(cx_frame->sz_alpha);
873 if (!cx_frame->buf_alpha) {
874 av_log(avctx, AV_LOG_ERROR,
875 "Data buffer alloc (%"SIZE_SPECIFIER" bytes) failed\n",
878 return AVERROR(ENOMEM);
880 memcpy(cx_frame->buf_alpha, pkt_alpha->data.frame.buf, pkt_alpha->data.frame.sz);
882 coded_frame_add(&ctx->coded_frame_list, cx_frame);
885 case VPX_CODEC_STATS_PKT: {
886 struct vpx_fixed_buf *stats = &ctx->twopass_stats;
888 if ((err = av_reallocp(&stats->buf,
890 pkt->data.twopass_stats.sz)) < 0) {
892 av_log(avctx, AV_LOG_ERROR, "Stat buffer realloc failed\n");
895 memcpy((uint8_t*)stats->buf + stats->sz,
896 pkt->data.twopass_stats.buf, pkt->data.twopass_stats.sz);
897 stats->sz += pkt->data.twopass_stats.sz;
900 case VPX_CODEC_PSNR_PKT:
901 av_assert0(!ctx->have_sse);
902 ctx->sse[0] = pkt->data.psnr.sse[0];
903 ctx->sse[1] = pkt->data.psnr.sse[1];
904 ctx->sse[2] = pkt->data.psnr.sse[2];
905 ctx->sse[3] = pkt->data.psnr.sse[3];
908 case VPX_CODEC_CUSTOM_PKT:
909 //ignore unsupported/unrecognized packet types
917 static int vp8_encode(AVCodecContext *avctx, AVPacket *pkt,
918 const AVFrame *frame, int *got_packet)
920 VP8Context *ctx = avctx->priv_data;
921 struct vpx_image *rawimg = NULL;
922 struct vpx_image *rawimg_alpha = NULL;
923 int64_t timestamp = 0;
925 vpx_enc_frame_flags_t flags = 0;
928 rawimg = &ctx->rawimg;
929 rawimg->planes[VPX_PLANE_Y] = frame->data[0];
930 rawimg->planes[VPX_PLANE_U] = frame->data[1];
931 rawimg->planes[VPX_PLANE_V] = frame->data[2];
932 rawimg->stride[VPX_PLANE_Y] = frame->linesize[0];
933 rawimg->stride[VPX_PLANE_U] = frame->linesize[1];
934 rawimg->stride[VPX_PLANE_V] = frame->linesize[2];
936 uint8_t *u_plane, *v_plane;
937 rawimg_alpha = &ctx->rawimg_alpha;
938 rawimg_alpha->planes[VPX_PLANE_Y] = frame->data[3];
939 u_plane = av_malloc(frame->linesize[1] * frame->height);
940 v_plane = av_malloc(frame->linesize[2] * frame->height);
941 if (!u_plane || !v_plane) {
944 return AVERROR(ENOMEM);
946 memset(u_plane, 0x80, frame->linesize[1] * frame->height);
947 rawimg_alpha->planes[VPX_PLANE_U] = u_plane;
948 memset(v_plane, 0x80, frame->linesize[2] * frame->height);
949 rawimg_alpha->planes[VPX_PLANE_V] = v_plane;
950 rawimg_alpha->stride[VPX_PLANE_Y] = frame->linesize[0];
951 rawimg_alpha->stride[VPX_PLANE_U] = frame->linesize[1];
952 rawimg_alpha->stride[VPX_PLANE_V] = frame->linesize[2];
954 timestamp = frame->pts;
955 if (frame->pict_type == AV_PICTURE_TYPE_I)
956 flags |= VPX_EFLAG_FORCE_KF;
959 res = vpx_codec_encode(&ctx->encoder, rawimg, timestamp,
960 avctx->ticks_per_frame, flags, ctx->deadline);
961 if (res != VPX_CODEC_OK) {
962 log_encoder_error(avctx, "Error encoding frame");
963 return AVERROR_INVALIDDATA;
967 res = vpx_codec_encode(&ctx->encoder_alpha, rawimg_alpha, timestamp,
968 avctx->ticks_per_frame, flags, ctx->deadline);
969 if (res != VPX_CODEC_OK) {
970 log_encoder_error(avctx, "Error encoding alpha frame");
971 return AVERROR_INVALIDDATA;
975 coded_size = queue_frames(avctx, pkt);
977 if (!frame && avctx->flags & AV_CODEC_FLAG_PASS1) {
978 unsigned int b64_size = AV_BASE64_SIZE(ctx->twopass_stats.sz);
980 avctx->stats_out = av_malloc(b64_size);
981 if (!avctx->stats_out) {
982 av_log(avctx, AV_LOG_ERROR, "Stat buffer alloc (%d bytes) failed\n",
984 return AVERROR(ENOMEM);
986 av_base64_encode(avctx->stats_out, b64_size, ctx->twopass_stats.buf,
987 ctx->twopass_stats.sz);
991 av_freep(&rawimg_alpha->planes[VPX_PLANE_U]);
992 av_freep(&rawimg_alpha->planes[VPX_PLANE_V]);
995 *got_packet = !!coded_size;
999 #define OFFSET(x) offsetof(VP8Context, x)
1000 #define VE AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM
1002 #ifndef VPX_ERROR_RESILIENT_DEFAULT
1003 #define VPX_ERROR_RESILIENT_DEFAULT 1
1004 #define VPX_ERROR_RESILIENT_PARTITIONS 2
1007 #define COMMON_OPTIONS \
1008 { "auto-alt-ref", "Enable use of alternate reference " \
1009 "frames (2-pass only)", OFFSET(auto_alt_ref), AV_OPT_TYPE_BOOL, {.i64 = -1}, -1, 1, VE}, \
1010 { "lag-in-frames", "Number of frames to look ahead for " \
1011 "alternate reference frame selection", OFFSET(lag_in_frames), AV_OPT_TYPE_INT, {.i64 = -1}, -1, INT_MAX, VE}, \
1012 { "arnr-maxframes", "altref noise reduction max frame count", OFFSET(arnr_max_frames), AV_OPT_TYPE_INT, {.i64 = -1}, -1, INT_MAX, VE}, \
1013 { "arnr-strength", "altref noise reduction filter strength", OFFSET(arnr_strength), AV_OPT_TYPE_INT, {.i64 = -1}, -1, INT_MAX, VE}, \
1014 { "arnr-type", "altref noise reduction filter type", OFFSET(arnr_type), AV_OPT_TYPE_INT, {.i64 = -1}, -1, INT_MAX, VE, "arnr_type"}, \
1015 { "backward", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = 1}, 0, 0, VE, "arnr_type" }, \
1016 { "forward", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = 2}, 0, 0, VE, "arnr_type" }, \
1017 { "centered", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = 3}, 0, 0, VE, "arnr_type" }, \
1018 { "tune", "Tune the encoding to a specific scenario", OFFSET(tune), AV_OPT_TYPE_INT, {.i64 = -1}, -1, INT_MAX, VE, "tune"}, \
1019 { "psnr", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = VP8_TUNE_PSNR}, 0, 0, VE, "tune"}, \
1020 { "ssim", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = VP8_TUNE_SSIM}, 0, 0, VE, "tune"}, \
1021 { "deadline", "Time to spend encoding, in microseconds.", OFFSET(deadline), AV_OPT_TYPE_INT, {.i64 = VPX_DL_GOOD_QUALITY}, INT_MIN, INT_MAX, VE, "quality"}, \
1022 { "best", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = VPX_DL_BEST_QUALITY}, 0, 0, VE, "quality"}, \
1023 { "good", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = VPX_DL_GOOD_QUALITY}, 0, 0, VE, "quality"}, \
1024 { "realtime", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = VPX_DL_REALTIME}, 0, 0, VE, "quality"}, \
1025 { "error-resilient", "Error resilience configuration", OFFSET(error_resilient), AV_OPT_TYPE_FLAGS, {.i64 = 0}, INT_MIN, INT_MAX, VE, "er"}, \
1026 { "max-intra-rate", "Maximum I-frame bitrate (pct) 0=unlimited", OFFSET(max_intra_rate), AV_OPT_TYPE_INT, {.i64 = -1}, -1, INT_MAX, VE}, \
1027 { "default", "Improve resiliency against losses of whole frames", 0, AV_OPT_TYPE_CONST, {.i64 = VPX_ERROR_RESILIENT_DEFAULT}, 0, 0, VE, "er"}, \
1028 { "partitions", "The frame partitions are independently decodable " \
1029 "by the bool decoder, meaning that partitions can be decoded even " \
1030 "though earlier partitions have been lost. Note that intra predicition" \
1031 " is still done over the partition boundary.", 0, AV_OPT_TYPE_CONST, {.i64 = VPX_ERROR_RESILIENT_PARTITIONS}, 0, 0, VE, "er"}, \
1032 { "crf", "Select the quality for constant quality mode", offsetof(VP8Context, crf), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 63, VE }, \
1033 { "static-thresh", "A change threshold on blocks below which they will be skipped by the encoder", OFFSET(static_thresh), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, INT_MAX, VE }, \
1034 { "drop-threshold", "Frame drop threshold", offsetof(VP8Context, drop_threshold), AV_OPT_TYPE_INT, {.i64 = 0 }, INT_MIN, INT_MAX, VE }, \
1035 { "noise-sensitivity", "Noise sensitivity", OFFSET(noise_sensitivity), AV_OPT_TYPE_INT, {.i64 = 0 }, 0, 4, VE}, \
1036 { "undershoot-pct", "Datarate undershoot (min) target (%)", OFFSET(rc_undershoot_pct), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 100, VE }, \
1037 { "overshoot-pct", "Datarate overshoot (max) target (%)", OFFSET(rc_overshoot_pct), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 1000, VE }, \
1039 #define LEGACY_OPTIONS \
1040 {"speed", "", offsetof(VP8Context, cpu_used), AV_OPT_TYPE_INT, {.i64 = 1}, -16, 16, VE}, \
1041 {"quality", "", offsetof(VP8Context, deadline), AV_OPT_TYPE_INT, {.i64 = VPX_DL_GOOD_QUALITY}, INT_MIN, INT_MAX, VE, "quality"}, \
1042 {"vp8flags", "", offsetof(VP8Context, flags), AV_OPT_TYPE_FLAGS, {.i64 = 0}, 0, UINT_MAX, VE, "flags"}, \
1043 {"error_resilient", "enable error resilience", 0, AV_OPT_TYPE_CONST, {.i64 = VP8F_ERROR_RESILIENT}, INT_MIN, INT_MAX, VE, "flags"}, \
1044 {"altref", "enable use of alternate reference frames (VP8/2-pass only)", 0, AV_OPT_TYPE_CONST, {.i64 = VP8F_AUTO_ALT_REF}, INT_MIN, INT_MAX, VE, "flags"}, \
1045 {"arnr_max_frames", "altref noise reduction max frame count", offsetof(VP8Context, arnr_max_frames), AV_OPT_TYPE_INT, {.i64 = 0}, 0, 15, VE}, \
1046 {"arnr_strength", "altref noise reduction filter strength", offsetof(VP8Context, arnr_strength), AV_OPT_TYPE_INT, {.i64 = 3}, 0, 6, VE}, \
1047 {"arnr_type", "altref noise reduction filter type", offsetof(VP8Context, arnr_type), AV_OPT_TYPE_INT, {.i64 = 3}, 1, 3, VE}, \
1048 {"rc_lookahead", "Number of frames to look ahead for alternate reference frame selection", offsetof(VP8Context, lag_in_frames), AV_OPT_TYPE_INT, {.i64 = 25}, 0, 25, VE}, \
1050 #if CONFIG_LIBVPX_VP8_ENCODER
1051 static const AVOption vp8_options[] = {
1053 { "cpu-used", "Quality/Speed ratio modifier", OFFSET(cpu_used), AV_OPT_TYPE_INT, {.i64 = 1}, -16, 16, VE},
1059 #if CONFIG_LIBVPX_VP9_ENCODER
1060 static const AVOption vp9_options[] = {
1062 { "cpu-used", "Quality/Speed ratio modifier", OFFSET(cpu_used), AV_OPT_TYPE_INT, {.i64 = 1}, -8, 8, VE},
1063 { "lossless", "Lossless mode", OFFSET(lossless), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 1, VE},
1064 { "tile-columns", "Number of tile columns to use, log2", OFFSET(tile_columns), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 6, VE},
1065 { "tile-rows", "Number of tile rows to use, log2", OFFSET(tile_rows), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 2, VE},
1066 { "frame-parallel", "Enable frame parallel decodability features", OFFSET(frame_parallel), AV_OPT_TYPE_BOOL,{.i64 = -1}, -1, 1, VE},
1067 { "aq-mode", "adaptive quantization mode", OFFSET(aq_mode), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 3, VE, "aq_mode"},
1068 { "none", "Aq not used", 0, AV_OPT_TYPE_CONST, {.i64 = 0}, 0, 0, VE, "aq_mode" },
1069 { "variance", "Variance based Aq", 0, AV_OPT_TYPE_CONST, {.i64 = 1}, 0, 0, VE, "aq_mode" },
1070 { "complexity", "Complexity based Aq", 0, AV_OPT_TYPE_CONST, {.i64 = 2}, 0, 0, VE, "aq_mode" },
1071 { "cyclic", "Cyclic Refresh Aq", 0, AV_OPT_TYPE_CONST, {.i64 = 3}, 0, 0, VE, "aq_mode" },
1077 #undef COMMON_OPTIONS
1078 #undef LEGACY_OPTIONS
1080 static const AVCodecDefault defaults[] = {
1084 { "keyint_min", "-1" },
1088 #if CONFIG_LIBVPX_VP8_ENCODER
1089 static av_cold int vp8_init(AVCodecContext *avctx)
1091 return vpx_init(avctx, vpx_codec_vp8_cx());
1094 static const AVClass class_vp8 = {
1095 .class_name = "libvpx-vp8 encoder",
1096 .item_name = av_default_item_name,
1097 .option = vp8_options,
1098 .version = LIBAVUTIL_VERSION_INT,
1101 AVCodec ff_libvpx_vp8_encoder = {
1103 .long_name = NULL_IF_CONFIG_SMALL("libvpx VP8"),
1104 .type = AVMEDIA_TYPE_VIDEO,
1105 .id = AV_CODEC_ID_VP8,
1106 .priv_data_size = sizeof(VP8Context),
1108 .encode2 = vp8_encode,
1110 .capabilities = AV_CODEC_CAP_DELAY | AV_CODEC_CAP_AUTO_THREADS,
1111 .pix_fmts = (const enum AVPixelFormat[]){ AV_PIX_FMT_YUV420P, AV_PIX_FMT_YUVA420P, AV_PIX_FMT_NONE },
1112 .priv_class = &class_vp8,
1113 .defaults = defaults,
1115 #endif /* CONFIG_LIBVPX_VP8_ENCODER */
1117 #if CONFIG_LIBVPX_VP9_ENCODER
1118 static av_cold int vp9_init(AVCodecContext *avctx)
1120 return vpx_init(avctx, vpx_codec_vp9_cx());
1123 static const AVClass class_vp9 = {
1124 .class_name = "libvpx-vp9 encoder",
1125 .item_name = av_default_item_name,
1126 .option = vp9_options,
1127 .version = LIBAVUTIL_VERSION_INT,
1130 AVCodec ff_libvpx_vp9_encoder = {
1131 .name = "libvpx-vp9",
1132 .long_name = NULL_IF_CONFIG_SMALL("libvpx VP9"),
1133 .type = AVMEDIA_TYPE_VIDEO,
1134 .id = AV_CODEC_ID_VP9,
1135 .priv_data_size = sizeof(VP8Context),
1137 .encode2 = vp8_encode,
1139 .capabilities = AV_CODEC_CAP_DELAY | AV_CODEC_CAP_AUTO_THREADS,
1140 .profiles = NULL_IF_CONFIG_SMALL(ff_vp9_profiles),
1141 .priv_class = &class_vp9,
1142 .defaults = defaults,
1143 .init_static_data = ff_vp9_init_static,
1145 #endif /* CONFIG_LIBVPX_VP9_ENCODER */